Senior Data Scientist, Marketing Experimentation

Senior Data Scientist, Marketing Experimentation

Fractal is a strategic AI partner to Fortune 500 companies with a vision to empower human decisions throughout enterprises. We are creating a world where freedom, diversity, and individual choices are the core assets. As part of our mission, we intend to foster human imagination at the heart of every decision, believing in a culture where possibilities are continually explored and improved. Fractal has earned recognition as a Great Place to Work and has been identified as a Cool Vendor and a Vendor to Watch by Gartner.

If you are enthusiastic about the fusion of marketing, data science, and experimentation, and thrive on the opportunity to influence a leading brand's data‑driven decisions at scale, we encourage you to apply.

Key Qualifications

• Expertise in experimentation design and statistical hypothesis testing including sample size determination, power analysis, confidence intervals, p‑values, and multiple testing corrections.
• Strong command of advanced statistical methods like sequential testing, variance reduction techniques, and Bayesian inference.
• Experience with dynamic optimization methods such as Multi‑Armed Bandits in marketing contexts.
• Proficiency in causal inference methods and data querying (SQL) alongside fluency in Python or R for statistical analysis and automation.
• Excellent communication skills to translate complex statistical concepts into actionable insights for diverse stakeholders.
• Ability to effectively manage multiple experimentation projects while maintaining high attention to detail.
• A collaborative team player eager to enhance statistical rigor within cross‑functional teams.

Highly Beneficial (but not required)

• Experience in executing multi‑geo tests and managing localization across global markets.
• Familiarity with experimentation platforms such as Adobe Target or Optimizely.
• Experience applying ML algorithms to marketing measurement or audience segmentation problems.
• Background in marketing analytics or media measurement.

Description

Your core responsibilities will encompass the following pillars:

• Experiment Design & Analysis: Lead the statistical design and analysis of A/B tests across various marketing channels, developing test proposals with defined populations, KPIs, and recommendations that enable confident decision‑making.
• Stats Engine Methodology & Platform: Act as the owner of statistical methods for the Stats Engine, ensuring accurate and rigorous automated calculations while collaborating with engineering teams to translate methodological needs into platform features.
• Research & Development: Work alongside Data Scientists across multiple domains to enhance the experimentation program, introducing new statistical techniques to elevate analytical capabilities and promote best practices across teams.

Education & Experience

• Bachelor's degree in a quantitative field. A Master's or PhD is strongly preferred.
• 7‑10 years of relevant experience in experimentation, data science, or analytics, with a minimum of 3 years in marketing analytics.

Pay

The salary range for this position is $120,000 – $175,000, depending on experience and qualifications, with eligibility for a discretionary bonus.

Benefits

Full‑time employees are eligible for health, dental, vision, life insurance, and disability plans, alongside a 401(k) Plan and generous PTO policies, including 11 paid holidays and 12 weeks of parental leave.

Fractal is an equal opportunity employer, committed to prohibiting discrimination of any kind.